Methods: Take the forearm extensor tendon insertion site off the extracondyle of humerus and have the anterior lateral aricular capsule of elbow joint shown.
方法：将前臂伸肌腱附丽从肱骨外髁处剥下，充分暴露肘关节前外侧关节囊。
Tennis elbow is a common overuse syndrome of the extensor tendons ofthe forearm.
网球肘足前臂腕伸肌过度使用的常见病，又称肱骨外上髁炎。
Conclusions Besides the injury of the radial collateral ligament, the injuries of the external musculus extensor and the aponeurosis can cause the posterolateral rotatory instability of the elbow.
结论肘关节后外侧旋转不稳定除桡侧副韧带的损伤外，可能还有外侧伸肌及伸肌腱膜的损伤。
Conclusion: the test-retest reliability of strength testing is good in the elbow of young people, and correlation of the elbow flexor is better than elbow extensor.
结论：健康青年者肘关节屈伸肌群在不同收缩形式中重测信度良好，肘关节屈肌的相关性要优于伸肌。
The tricepes muscle in the back of the upper arm is an extensor. When it contracts, the elbow strainghtens and the forearm and hand move away from the shoulder.
而后上臂的肱三头肌则是一块伸肌，当它运动时，肘部就伸直，而前臂和手就离开了肩部。
The tricepes muscle in the back of the upper arm is an extensor. When it contracts, the elbow strainghtens and the forearm and hand move away from the shoulder.
而后上臂的肱三头肌则是一块伸肌，当它运动时，肘部就伸直，而前臂和手就离开了肩部。
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